Know Your Environment. Protect Your Health.

Bromochloromethane

Four Way Special Utility District

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

24

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
20220.345 ppb41ND - 1.38 ppb
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-08Q1809770011ND
2018-03-08Q1809770013ND
2018-03-08Q1809770015ND
2018-03-08Q1809770010ND
2019-06-04Q1931189005ND
2019-06-04Q1931189007ND
2019-06-04Q1931189009ND
2019-06-04Q1931189011ND
2020-06-17Q2024644004ND
2020-08-11Q2031797007ND
2020-08-11Q2031797009ND
2020-08-11Q2031797011ND
2021-06-02Q2114209004ND
2021-06-02Q2114209010ND
2021-06-02Q2114209008ND
2021-06-02Q2114209006ND
2022-03-07Q22076190081.38 ppb
2022-03-07Q2207619010ND
2022-03-07Q2207619012ND
2022-03-07Q2207619014ND
2023-04-24Q2315229004ND
2023-06-05Q2320826020ND
2023-06-05Q2320826022ND
2023-06-05Q2320826024ND